There was a download of NMTopProtocols 3.2 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following version: 3.2 is the most frequently downloaded one by the program users.
NMTopProtocols.exe is the default file name to indicate this program's installer. We recommend checking the downloaded files with any free antivirus. NMTopProtocols is developed for Windows XP/Vista/7/10/8/11 environment, 64-bit version. The program lies within Development Tools, more precisely Help. This free software is an intellectual property of MichaelHawker.
From the developer:
A Network Monitor Expert which shows you the usage frequency of protocols in a trace. This expert plugs into the Network Monitor UI so you run it directly from the Expert menu. Top Protocols is another simple expert designed to give you a high-level summary of what’s occurring in a trace.
You may want to check out more software, such as Short Empire for FSX or FS2004, GnuWin32: GetText or MPT, which might be similar to NMTopProtocols.